mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-27 11:05:39 +00:00
208 lines
13 KiB
XML
208 lines
13 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
|
|
"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
|
|
<refentry id="glFramebufferTexture">
|
|
<refmeta>
|
|
<refmetainfo>
|
|
<copyright>
|
|
<year>2010</year>
|
|
<holder>Khronos Group</holder>
|
|
</copyright>
|
|
</refmetainfo>
|
|
<refentrytitle>glFramebufferTexture</refentrytitle>
|
|
<manvolnum>3G</manvolnum>
|
|
</refmeta>
|
|
<refnamediv>
|
|
<refname>glFramebufferTexture</refname>
|
|
<refpurpose>attach a level of a texture object as a logical buffer to the currently bound framebuffer object</refpurpose>
|
|
</refnamediv>
|
|
<refsynopsisdiv><title>C Specification</title>
|
|
<funcsynopsis>
|
|
<funcprototype>
|
|
<funcdef>void <function>glFramebufferTexture</function></funcdef>
|
|
<paramdef>GLenum <parameter>target</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>attachment</parameter></paramdef>
|
|
<paramdef>GLuint <parameter>texture</parameter></paramdef>
|
|
<paramdef>GLint <parameter>level</parameter></paramdef>
|
|
</funcprototype>
|
|
<funcprototype>
|
|
<funcdef>void <function>glFramebufferTexture1D</function></funcdef>
|
|
<paramdef>GLenum <parameter>target</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>attachment</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>textarget</parameter></paramdef>
|
|
<paramdef>GLuint <parameter>texture</parameter></paramdef>
|
|
<paramdef>GLint <parameter>level</parameter></paramdef>
|
|
</funcprototype>
|
|
<funcprototype>
|
|
<funcdef>void <function>glFramebufferTexture2D</function></funcdef>
|
|
<paramdef>GLenum <parameter>target</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>attachment</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>textarget</parameter></paramdef>
|
|
<paramdef>GLuint <parameter>texture</parameter></paramdef>
|
|
<paramdef>GLint <parameter>level</parameter></paramdef>
|
|
</funcprototype>
|
|
<funcprototype>
|
|
<funcdef>void <function>glFramebufferTexture3D</function></funcdef>
|
|
<paramdef>GLenum <parameter>target</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>attachment</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>textarget</parameter></paramdef>
|
|
<paramdef>GLuint <parameter>texture</parameter></paramdef>
|
|
<paramdef>GLint <parameter>level</parameter></paramdef>
|
|
<paramdef>GLint <parameter>layer</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
<!-- eqn: ignoring delim $$ -->
|
|
<refsect1 id="parameters"><title>Parameters</title>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>target</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the framebuffer target. <parameter>target</parameter> must be <constant>GL_DRAW_FRAMEBUFFER</constant>,
|
|
<constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>. <constant>GL_FRAMEBUFFER</constant>
|
|
is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>attachment</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the attachment point of the framebuffer. <parameter>attachment</parameter> must be
|
|
<constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,
|
|
<constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMENT</constant>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>textarget</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function> and
|
|
<function>glFramebufferTexture3D</function>, specifies what type of texture is expected
|
|
in the <parameter>texture</parameter> parameter, or for cube map textures, which face is to be attached.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>texture</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the texture object to attach to the framebuffer attachment point named by <parameter>attachment</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>level</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the mipmap level of <parameter>texture</parameter> to attach.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
<refsect1 id="description"><title>Description</title>
|
|
<para>
|
|
<function>glFramebufferTexture</function>, <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>,
|
|
and <function>glFramebufferTexture</function> attach a selected mipmap level or image of a texture object as one of the
|
|
logical buffers of the framebuffer object currently bound to <parameter>target</parameter>. <parameter>target</parameter> must
|
|
be <constant>GL_DRAW_FRAMEBUFFER</constant>, <constant>GL_READ_FRAMEBUFFER</constant>, or <constant>GL_FRAMEBUFFER</constant>.
|
|
<constant>GL_FRAMEBUFFER</constant> is equivalent to <constant>GL_DRAW_FRAMEBUFFER</constant>.
|
|
</para>
|
|
<para>
|
|
<parameter>attachment</parameter> specifies the logical attachment of the framebuffer and must be
|
|
<constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant>, <constant>GL_DEPTH_ATTACHMENT</constant>,
|
|
<constant>GL_STENCIL_ATTACHMENT</constant> or <constant>GL_DEPTH_STENCIL_ATTACHMENT</constant>.
|
|
<emphasis>i</emphasis> in <constant>GL_COLOR_ATTACHMENT<emphasis>i</emphasis></constant> may range from zero to
|
|
the value of <constant>GL_MAX_COLOR_ATTACHMENTS</constant> - 1. Attaching a level of a texture to
|
|
<constant>GL_DEPTH_STENCIL_ATTACHMENT</constant> is equivalent to attaching that level to both the
|
|
<constant>GL_DEPTH_ATTACHMENT</constant> <emphasis>and</emphasis> the <constant>GL_STENCIL_ATTACHMENT</constant>
|
|
attachment points simultaneously.
|
|
</para>
|
|
<para>
|
|
<parameter>textarget</parameter> specifies what type of texture is named by <parameter>texture</parameter>, and for
|
|
cube map textures, specifies the face that is to be attached. If <parameter>texture</parameter> is not zero, it
|
|
must be the name of an existing texture with type <parameter>textarget</parameter>, unless it is a cube map
|
|
texture, in which case <parameter>textarget</parameter> must be <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, or
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
|
|
</para>
|
|
<para>
|
|
If <parameter>texture</parameter> is non-zero, the specified <parameter>level</parameter> of the texture object named
|
|
<parameter>texture</parameter> is attached to the framebfufer attachment point named by <parameter>attachment</parameter>.
|
|
For <function>glFramebufferTexture1D</function>, <function>glFramebufferTexture2D</function>, and
|
|
<function>glFramebufferTexture3D</function>, <parameter>texture</parameter> must be zero or the name of an existing
|
|
texture with a target of <parameter>textarget</parameter>, or <parameter>texture</parameter> must be the name
|
|
of an existing cube-map texture and <parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>.
|
|
</para>
|
|
<para>
|
|
If <parameter>textarget</parameter> is <constant>GL_TEXTURE_RECTANGLE</constant>, <constant>GL_TEXTURE_2D_MULTISAMPLE</constant>,
|
|
or <constant>GL_TEXTURE_2D_MULTISAMPLE_ARRAY</constant>, then <parameter>level</parameter> must be zero. If <parameter>textarget</parameter>
|
|
is <constant>GL_TEXTURE_3D</constant>, then level must be greater than or equal to zero and less than or equal to log<subscript>2</subscript>
|
|
of the value of <constant>GL_MAX_3D_TEXTURE_SIZE</constant>. If <parameter>textarget</parameter> is one of <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, or <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, then <parameter>level</parameter> must be greater
|
|
than or equal to zero and less than or equal to log<subscript>2</subscript> of the value of <constant>GL_MAX_CUBE_MAP_TEXTURE_SIZE</constant>. For all other
|
|
values of <parameter>textarget</parameter>, <parameter>level</parameter> must be greater than or equal to zero and no larger than log<subscript>2</subscript>
|
|
of the value of <constant>GL_MAX_TEXTURE_SIZE</constant>.
|
|
</para>
|
|
<para>
|
|
<parameter>layer</parameter> specifies the layer of a 2-dimensional image within a 3-dimensional texture.
|
|
</para>
|
|
<para>
|
|
For <function>glFramebufferTexture1D</function>, if <parameter>texture</parameter> is not zero, then <parameter>textarget</parameter> must
|
|
be <constant>GL_TEXTURE_1D</constant>. For <function>glFramebufferTexture2D</function>, if <parameter>texture</parameter> is not zero,
|
|
<parameter>textarget</parameter> must be one of <constant>GL_TEXTURE_2D</constant>, <constant>GL_TEXTURE_RECTANGLE</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_POSITIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_POSITIVE_Z</constant>,
|
|
<constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_X</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</constant>, <constant>GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</constant>, or
|
|
<constant>GL_TEXTURE_2D_MULTISAMPLE</constant>. For <function>glFramebufferTexture3D</function>, if <parameter>texture</parameter> is
|
|
not zero, then <parameter>textarget</parameter> must be <constant>GL_TEXTURE_3D</constant>.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="notes"><title>Notes</title>
|
|
<para>
|
|
<function>glFramebufferTexture</function> is available only if the GL version is 3.2 or greater.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="errors"><title>Errors</title>
|
|
<para>
|
|
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not one of the accepted tokens.
|
|
</para>
|
|
<para>
|
|
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>renderbuffertarget</parameter> is not <constant>GL_RENDERBUFFER</constant>.
|
|
</para>
|
|
<para>
|
|
<constant>GL_INVALID_OPERATION</constant> is generated if zero is bound to <parameter>target</parameter>.
|
|
</para>
|
|
<para>
|
|
<constant>GL_INVALID_OPERATION</constant> is generated if <parameter>textarget</parameter> and <parameter>texture</parameter>
|
|
are not compatible.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="seealso"><title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGenFramebuffers</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glBindFramebuffer</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glGenRenderbuffers</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glFramebufferTexture</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glFramebufferTexture1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glFramebufferTexture2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glFramebufferTexture3D</refentrytitle></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="Copyright"><title>Copyright</title>
|
|
<para>
|
|
Copyright <trademark class="copyright"></trademark> 2010 Khronos Group.
|
|
This material may be distributed subject to the terms and conditions set forth in
|
|
the Open Publication License, v 1.0, 8 June 1999.
|
|
<ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|